WhatsApp : +88 01818929292 / +8801730296909
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WhatsApp : +88 01818929292 / +8801730296909
info@smmarineservice.com sohelbhuiyan1213@gmail.com
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Terasaki EMI-103 Central PCB Card K/787/13-002A

Item Code:

EMI-103 K/787/13-002A

Brand:

Terasaki

Condition:

New product


Terasaki EMI-103 Central PCB Card K/787/13-002A – Marine Control System Board

Product Information

Manufacturer TERASAKI (Terasaki Electric Co., Ltd.)
Model / Card Name EMI-103
Board / Part Number K/787/13-002A
Product Type Central PCB card (plug-in control card with front panel)
Front Panel Markings CENTRAL, ICU ABNOR. (red LED), INIT. SW (push button), LOADER CONNECT. (multi-pin connector), EMI-103
Other Numbers Printed on PCB 23, 95071
Program Memory (EPROM) Label LC-A 106 on Fujitsu MBM2764-25 EPROM (marked "JAPAN", "9251 W12 AB")
Serial Number Not clearly visible in the supplied photograph
Country of Manufacture Japan (components marked JAPAN; Terasaki is a Japanese manufacturer)
Condition New
Supplier SM MARINE SERVICE™, Chattogram, Bangladesh

Product Introduction

The Terasaki EMI-103 (K/787/13-002A) is a plug-in central control PCB card used in Terasaki marine control and monitoring equipment. The card carries a program EPROM labelled LC-A 106, CMOS logic ICs and a front panel with a CENTRAL marking, an ICU ABNOR. abnormal-status LED, an INIT. SW initialise switch and a LOADER CONNECT. port. SM MARINE SERVICE™ supplies this card as a refurbished replacement for ship owners, ship managers, superintendents and marine electricians worldwide. Visit https://www.smmarineservice.com/ for more marine automation and navigation spare parts.

What Is This Equipment?

EMI-103 is a rack-mounted printed circuit board from the Terasaki EMI card series. Based on its front panel, it acts as the central card of an ICU (the abbreviation shown on the faceplate) inside a Terasaki control panel: it holds the stored program (EPROM LC-A 106), reports an abnormal ICU condition through the red LED, can be re-initialised with the INIT. switch, and offers a loader connector for programming or data transfer. The card plugs into a back-plane through a gold-plated edge connector and is fixed with two front-panel handles/screws.

The exact name of the Terasaki system in which EMI-103 is installed was not verified from manufacturer documentation. Terasaki cards of this family are widely used in shipboard switchboard, generator control and power management panels.

Main Features

  • Genuine Terasaki EMI-103 central card, part number K/787/13-002A
  • Program EPROM label LC-A 106 (Fujitsu MBM2764-25, 64 Kbit EPROM)
  • Front panel ICU ABNOR. LED indication for fast fault finding
  • INIT. SW push button for initialising the unit
  • LOADER CONNECT. multi-pin connector on the front panel
  • Toshiba CMOS logic ICs (TC4028BP, TC4528BP, TC4099BP visible on the board)
  • Gold-plated edge connector for rack/back-plane mounting
  • Japanese manufacture, designed for marine environment

Terasaki EMI-103 K/787/13-002A central PCB card with LC-A 106 EPROM
Terasaki EMI-103 central PCB card, part number K/787/13-002A, with EPROM LC-A 106 – SM MARINE SERVICE™

Main Technical Specifications

Model EMI-103
Part Number K/787/13-002A (a K/787/13-002B revision is also seen in the market – check before ordering)
Function Central / CPU-type control card for Terasaki ICU
Program Memory EPROM Fujitsu MBM2764-25, label LC-A 106
Logic CMOS logic (Toshiba TC4000-series ICs)
Front Panel ICU ABNOR. LED, INIT. SW, LOADER CONNECT. connector
Mounting Plug-in rack card with edge connector
Supply Voltage Not verified (supplied from the system back-plane)
Dimensions / Weight Not verified

Inside the Unit: PCBs, Modules & Part Numbers

The following numbers were read from the supplied photographs. They help buyers search and match the exact board.

EMI-103 / K/787/13-002A – Central Card

The main board itself. Carries the program memory, logic circuits, ICU abnormal LED, initialise switch and loader connector.

LC-A 106 – Program EPROM

Fujitsu MBM2764-25 EPROM with the label LC-A 106 holds the card software. When replacing the card, compare the EPROM label with your old card – a different software label may behave differently in your system.

Toshiba TC4028BP, TC4528BP, TC4099BP – CMOS Logic ICs

Decoder, monostable multivibrator and addressable latch ICs used for the card's logic functions (numbers read from the photograph).

PCB markings 23 and 95071

Numbers printed on the PCB surface; their meaning is not verified.

Main Components & Related Units

Other Terasaki EMI-series cards seen in the spare-parts market (numbers from market listings, not verified against Terasaki documentation and not confirmed to be from the same rack):

  • Terasaki EMI-201 – PCB card / input interface card
  • Terasaki EMI-501 – PCB card K/787/17-001A
  • Terasaki EMI-502 – PCB card K/787/18-001B
  • Terasaki EMI-103 – K/787/13-002B (later revision of this card)

SM MARINE SERVICE™ also sources other Terasaki PCB cards for switchboards, ACB control and generator/power management panels – send us the card name and K-number.

Marine & Industrial Applications

  • Terasaki shipboard control and monitoring panels using EMI-series cards
  • Main switchboard and generator control panels
  • Power management / ICU control racks
  • Offshore vessels and industrial plants using Terasaki control equipment
  • Spare card for onboard stock and emergency replacement

Terasaki EMI-103 front panel CENTRAL ICU ABNOR INIT SW LOADER CONNECT
Front panel of Terasaki EMI-103: CENTRAL, ICU ABNOR. LED, INIT. SW and LOADER CONNECT. – SM MARINE SERVICE™

Common Problems & Troubleshooting

  • ICU ABNOR. LED lit: check supply voltages on the back-plane, card seating and connected cards before replacing EMI-103.
  • System does not start after power-up: try the INIT. SW procedure described in the equipment manual; check the EPROM is seated firmly.
  • Intermittent faults: clean the gold edge connector with contact cleaner, check for corrosion, cracked solder joints or burnt components.
  • EPROM issues: ageing EPROMs can lose data; the replacement card or EPROM must carry the correct software label (LC-A 106 or as per your system).
  • Loader port faults: inspect pins of the LOADER CONNECT. connector for bending or contamination.

Safety notes: switch off and isolate the panel before removing or inserting cards, use ESD protection (wrist strap), follow the ship's permit-to-work system and the Terasaki manual. Work on switchboard equipment should only be done by qualified personnel.

Maintenance Tips

  • Keep the control rack clean, dry and well ventilated.
  • Inspect edge connectors and front connectors during planned maintenance.
  • Store spare cards in anti-static bags in a dry place.
  • Record the card part number and EPROM label of every card in your rack for quick ordering.
  • Keep at least one tested spare central card onboard for critical systems.

Spare Parts & Replacement Availability

SM MARINE SERVICE™ supplies Terasaki EMI-103 and other Terasaki PCB cards in refurbished, used and new condition, subject to confirmation. For a fast quotation please send:

  • Card name and part number (EMI-103, K/787/13-002A or -002B)
  • EPROM label (e.g. LC-A 106) and clear photos of both sides of your card
  • Vessel name / system name and quantity required
  • Delivery port or country

We ship worldwide by DHL, FedEx, UPS and other couriers, and can deliver to ships through agents in major ports.

Why This Equipment Is Still Used

Many vessels built in the 1990s and 2000s still operate Terasaki control panels with EMI-series cards. Replacing a complete panel is expensive and needs class approval, so ship owners prefer to replace a single faulty card. Reliable supply of tested cards such as EMI-103 keeps these systems running safely and at low cost.

Frequently Asked Questions (FAQ)

Q1. What is Terasaki EMI-103?
It is a central PCB card (part number K/787/13-002A) used in Terasaki marine control equipment, with ICU abnormal LED, initialise switch and loader connector.

Q2. What is the part number of the EMI-103 card?
The card in our photos is K/787/13-002A. A K/787/13-002B revision also exists.

Q3. Are K/787/13-002A and K/787/13-002B interchangeable?
Not verified. Please send your card details and we will check before supply.

Q4. What is LC-A 106 on the card?
It is the label on the program EPROM (Fujitsu MBM2764-25) that holds the card software.

Q5. What does the ICU ABNOR. LED mean?
It indicates an abnormal condition of the ICU. Refer to your Terasaki manual for the exact meaning in your system.

Q6. What is the INIT. SW used for?
It is an initialise switch used to reset/initialise the unit.

Q7. Which other Terasaki EMI cards can you supply?
We can source cards such as EMI-201, EMI-501 (K/787/17-001A) and EMI-502 (K/787/18-001B), subject to availability.

Q8. Is the card tested?
Refurbished cards are inspected and cleaned before supply. Testing details are confirmed with each quotation.

Q9. Can you repair my faulty EMI-103 card?
Contact us with photos and fault description; we will advise on repair or replacement.

Q10. Do you ship worldwide?
Yes, SM MARINE SERVICE™ ships worldwide from Bangladesh and China stock locations.

Q11. How do I get a price?
Send the card name, K-number, EPROM label and quantity to info@smmarineservice.com or WhatsApp +88 01818 929292.

Short Product Description

Terasaki EMI-103 (K/787/13-002A) is a Japanese-made central PCB card for Terasaki marine control equipment. It carries the LC-A 106 program EPROM (Fujitsu MBM2764-25), Toshiba CMOS logic ICs and a front panel with CENTRAL marking, ICU ABNOR. LED, INIT. SW initialise switch and LOADER CONNECT. port. The card plugs into the control rack through a gold-plated edge connector. SM MARINE SERVICE™ supplies this card in refurbished condition as a replacement spare part for ships, offshore units and industrial plants worldwide. Send us your card number and EPROM label for a fast quotation and worldwide delivery.


SM MARINE SERVICE™ – Marine Automation & Navigation Equipment Supplier

Available Equipment Conditions: New • Used • Refurbished • Reconditioned (Specific product condition and availability are subject to confirmation.)

Stock Locations: Bangladesh • China

Services: Worldwide Shipping • Technical Support • Spare Parts Supply • Marine Equipment Sourcing

Samir Market, DT Road, Pahartali, beside CDA Market, Chattogram, Bangladesh

Mobile / WhatsApp / Viber: +88 01818 929292

Email: info@smmarineservice.com

Website: https://www.smmarineservice.com/

Need a Terasaki EMI-103 card or any other Terasaki PCB? Contact SM MARINE SERVICE™ today for a quick quotation.


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